Eric Lee / smarc-fsl-linux-kernel

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samples/pktgen/pktgen_sample01_simple.sh 1.89 KB
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6f0947975   Jesper Dangaard Brouer   pktgen: add sampl... 
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  #!/bin/bash
  #
  # Simple example:
  #  * pktgen sending with single thread and single interface
  #  * flow variation via random UDP source port
  #
  basedir=`dirname $0`
  source ${basedir}/functions.sh
  root_check_run_with_sudo "$@"
  
  # Parameter parsing via include
  # - go look in parameters.sh to see which setting are avail
  # - required param is the interface "-i" stored in $DEV
  source ${basedir}/parameters.sh
  #
  # Set some default params, if they didn't get set
0f06a6787   Martin KaFai Lau   samples: Add an I... 
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  if [ -z "$DEST_IP" ]; then
      [ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1"
  fi
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  [ -z "$CLONE_SKB" ] && CLONE_SKB="0"
  # Example enforce param "-m" for dst_mac
  [ -z "$DST_MAC" ] && usage && err 2 "Must specify -m dst_mac"
  
  # Base Config
  DELAY="0"        # Zero means max speed
  COUNT="100000"   # Zero means indefinitely
  
  # Flow variation random source port between min and max
  UDP_MIN=9
  UDP_MAX=109
  
  # General cleanup everything since last run
  # (especially important if other threads were configured by other scripts)
  pg_ctrl "reset"
  
  # Add remove all other devices and add_device $DEV to thread 0
  thread=0
  pg_thread $thread "rem_device_all"
  pg_thread $thread "add_device" $DEV
  
  # How many packets to send (zero means indefinitely)
  pg_set $DEV "count $COUNT"
  
  # Reduce alloc cost by sending same SKB many times
  # - this obviously affects the randomness within the packet
  pg_set $DEV "clone_skb $CLONE_SKB"
  
  # Set packet size
  pg_set $DEV "pkt_size $PKT_SIZE"
  
  # Delay between packets (zero means max speed)
  pg_set $DEV "delay $DELAY"
  
  # Flag example disabling timestamping
  pg_set $DEV "flag NO_TIMESTAMP"
  
  # Destination
  pg_set $DEV "dst_mac $DST_MAC"
0f06a6787   Martin KaFai Lau   samples: Add an I... 
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  pg_set $DEV "dst$IP6 $DEST_IP"
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  # Setup random UDP port src range
  pg_set $DEV "flag UDPSRC_RND"
  pg_set $DEV "udp_src_min $UDP_MIN"
  pg_set $DEV "udp_src_max $UDP_MAX"
  
  # start_run
  echo "Running... ctrl^C to stop" >&2
  pg_ctrl "start"
  echo "Done" >&2
  
  # Print results
  echo "Result device: $DEV"
  cat /proc/net/pktgen/$DEV